KW-trio 10pcs Plastic 30-Hole Loose Leaf Binders Ring Binding Spines Combs 85 Sheets Capacity for DIY Paper Notebook Album Office School Supplies (Black)

Features:
30-Hole binding spines, 10pcs/bag.
12mm ring diameter, 9.5mm ring distance, can hold about 85 sheets paper.
Cylindrical ring design, easy to turn pages and protect paper.
The length of binding spines can be cut. Suitable for 6,9,20,26,30 hole notebook binding.
The binding spines can be used for A4, A5, A6, A7, B5 papers binding.

Specifications:
Material: ABS
Color: Black/Light Blue/Light Green/Yellow/Pink/White(optional)
Ring Diameter: 12mm
Ring Distance: 9.5mm
Sheet Capacity: Can hold 85 sheets of paper
Quantity: 10pcs
Length(1pc): 28cm / 11.0in
Package Size: 29.0 * 7.0 * 2.0cm / 11.4 * 2.8 * 0.8in
Package Weight: 100g / 3.5oz

Notes:
The use of this product may also require a hole puncher, it can punch paper and then bind the paper with these ring.
Paper and puncher are not included.

Packing List:
10 * Binding Spines